1366 - Incorrect integer value: '' for column `mapshopatlogis`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '2780d2ce9c9ad77180f3d034ea43ec81', '3.137.181.52', '1714599202', '1714599202', '/index.php/language/en/cat/c40_Map-Konfigurator.html')

[XT SQL Error]